def.h

#ifndef foodefhfoo#define foodefhfoo/*** This file is part of PulseAudio. Copyright 2004-2006 Lennart Poettering Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB PulseAudio is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. PulseAudio is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with PulseAudio; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.***/#include <inttypes.h>#include <sys/time.h>#include <time.h>#include <pulse/cdecl.h>#include <pulse/sample.h>/** \file * Global definitions */PA_C_DECL_BEGIN/** The state of a connection context */00039typedefenumpa_context_state {
00040PA_CONTEXT_UNCONNECTED, /**< The context hasn't been connected yet */00041PA_CONTEXT_CONNECTING, /**< A connection is being established */00042PA_CONTEXT_AUTHORIZING, /**< The client is authorizing itself to the daemon */00043PA_CONTEXT_SETTING_NAME, /**< The client is passing its application name to the daemon */00044PA_CONTEXT_READY, /**< The connection is established, the context is ready to execute operations */00045PA_CONTEXT_FAILED, /**< The connection failed or was disconnected */00046PA_CONTEXT_TERMINATED/**< The connection was terminated cleanly */
} pa_context_state_t;
/** Return non-zero if the passed state is one of the connected states */00050staticinlineintPA_CONTEXT_IS_GOOD(pa_context_state_t x) {
return
x == PA_CONTEXT_CONNECTING ||
x == PA_CONTEXT_AUTHORIZING ||
x == PA_CONTEXT_SETTING_NAME ||
x == PA_CONTEXT_READY;
}
/** The state of a stream */00059typedefenumpa_stream_state {
00060PA_STREAM_UNCONNECTED, /**< The stream is not yet connected to any sink or source */00061PA_STREAM_CREATING, /**< The stream is being created */00062PA_STREAM_READY, /**< The stream is established, you may pass audio data to it now */00063PA_STREAM_FAILED, /**< An error occured that made the stream invalid */00064PA_STREAM_TERMINATED/**< The stream has been terminated cleanly */
} pa_stream_state_t;
/** Return non-zero if the passed state is one of the connected states */00068staticinlineintPA_STREAM_IS_GOOD(pa_stream_state_t x) {
return
x == PA_STREAM_CREATING ||
x == PA_STREAM_READY;
}
/** The state of an operation */00075typedefenumpa_operation_state {
00076PA_OPERATION_RUNNING, /**< The operation is still running */00077PA_OPERATION_DONE, /**< The operation has been completed */00078PA_OPERATION_CANCELED/**< The operation has been canceled */
} pa_operation_state_t;
/** An invalid index */00082#define PA_INVALID_INDEX ((uint32_t) -1)/** Some special flags for contexts. */00085typedefenumpa_context_flags {
00086PA_CONTEXT_NOAUTOSPAWN = 1 /**< Disabled autospawning of the PulseAudio daemon if required */
} pa_context_flags_t;
/** \cond fulldocs *//* Allow clients to check with #ifdef for those flags */#define PA_CONTEXT_NOAUTOSPAWN PA_CONTEXT_NOAUTOSPAWN/** \endcond *//** The direction of a pa_stream object */00096typedefenumpa_stream_direction {
00097PA_STREAM_NODIRECTION, /**< Invalid direction */00098PA_STREAM_PLAYBACK, /**< Playback stream */00099PA_STREAM_RECORD, /**< Record stream */00100PA_STREAM_UPLOAD/**< Sample upload stream */
} pa_stream_direction_t;
/** Some special flags for stream connections. */00104typedefenumpa_stream_flags {
00106PA_STREAM_START_CORKED = 0x0001U, /**< Create the stream corked, requiring an explicit * pa_stream_cork() call to uncork it. */00110PA_STREAM_INTERPOLATE_TIMING = 0x0002U, /**< Interpolate the latency for this stream. When enabled, * pa_stream_get_latency() and pa_stream_get_time() will try to * estimate the current record/playback time based on the local * time that passed since the last timing info update. Using this * option has the advantage of not requiring a whole roundtrip * when the current playback/recording time is needed. Consider * using this option when requesting latency information * frequently. This is especially useful on long latency network * connections. It makes a lot of sense to combine this option * with PA_STREAM_AUTO_TIMING_UPDATE. */00122PA_STREAM_NOT_MONOTONIC = 0x0004U, /**< Don't force the time to increase monotonically. If this * option is enabled, pa_stream_get_time() will not necessarily * return always monotonically increasing time values on each * call. This may confuse applications which cannot deal with time * going 'backwards', but has the advantage that bad transport * latency estimations that caused the time to to jump ahead can * be corrected quickly, without the need to wait. (Please note * that this flag was named PA_STREAM_NOT_MONOTONOUS in releases * prior to 0.9.11. The old name is still defined too, for * compatibility reasons. */00134PA_STREAM_AUTO_TIMING_UPDATE = 0x0008U, /**< If set timing update requests are issued periodically * automatically. Combined with PA_STREAM_INTERPOLATE_TIMING you * will be able to query the current time and latency with * pa_stream_get_time() and pa_stream_get_latency() at all times * without a packet round trip.*/00141PA_STREAM_NO_REMAP_CHANNELS = 0x0010U, /**< Don't remap channels by their name, instead map them simply * by their index. Implies PA_STREAM_NO_REMIX_CHANNELS. Only * supported when the server is at least PA 0.9.8. It is ignored * on older servers.\since 0.9.8 */00147PA_STREAM_NO_REMIX_CHANNELS = 0x0020U, /**< When remapping channels by name, don't upmix or downmix them * to related channels. Copy them into matching channels of the * device 1:1. Only supported when the server is at least PA * 0.9.8. It is ignored on older servers. \since 0.9.8 */00153PA_STREAM_FIX_FORMAT = 0x0040U, /**< Use the sample format of the sink/device this stream is being * connected to, and possibly ignore the format the sample spec * contains -- but you still have to pass a valid value in it as a * hint to PulseAudio what would suit your stream best. If this is * used you should query the used sample format after creating the * stream by using pa_stream_get_sample_spec(). Also, if you * specified manual buffer metrics it is recommended to update * them with pa_stream_set_buffer_attr() to compensate for the * changed frame sizes. Only supported when the server is at least * PA 0.9.8. It is ignored on older servers. \since 0.9.8 */00165PA_STREAM_FIX_RATE = 0x0080U, /**< Use the sample rate of the sink, and possibly ignore the rate * the sample spec contains. Usage similar to * PA_STREAM_FIX_FORMAT.Only supported when the server is at least * PA 0.9.8. It is ignored on older servers. \since 0.9.8 */00171PA_STREAM_FIX_CHANNELS = 0x0100, /**< Use the number of channels and the channel map of the sink, * and possibly ignore the number of channels and the map the * sample spec and the passed channel map contains. Usage similar * to PA_STREAM_FIX_FORMAT. Only supported when the server is at * least PA 0.9.8. It is ignored on older servers. \since 0.9.8 */00178PA_STREAM_DONT_MOVE = 0x0200U, /**< Don't allow moving of this stream to another * sink/device. Useful if you use any of the PA_STREAM_FIX_ flags * and want to make sure that resampling never takes place -- * which might happen if the stream is moved to another * sink/source whith a different sample spec/channel map. Only * supported when the server is at least PA 0.9.8. It is ignored * on older servers. \since 0.9.8 */00187PA_STREAM_VARIABLE_RATE = 0x0400U, /**< Allow dynamic changing of the sampling rate during playback * with pa_stream_update_sample_rate(). Only supported when the * server is at least PA 0.9.8. It is ignored on older * servers. \since 0.9.8 */00193PA_STREAM_PEAK_DETECT = 0x0800U, /**< Find peaks instead of resampling. \since 0.9.11 */00196PA_STREAM_START_MUTED = 0x1000U, /**< Create in muted state. \since 0.9.11 */00199PA_STREAM_ADJUST_LATENCY = 0x2000U, /**< Try to adjust the latency of the sink/source based on the * requested buffer metrics and adjust buffer metrics * accordingly. Also see pa_buffer_attr. This option may not be * specified at the same time as PA_STREAM_EARLY_REQUESTS. \since * 0.9.11 */00206PA_STREAM_EARLY_REQUESTS = 0x4000U /**< Enable compatibility mode for legacy clients that rely on a * "classic" hardware device fragment-style playback model. If * this option is set, the minreq value of the buffer metrics gets * a new meaning: instead of just specifying that no requests * asking for less new data than this value will be made to the * client it will also guarantee that requests are generated as * early as this limit is reached. This flag should only be set in * very few situations where compatiblity with a fragment-based * playback model needs to be kept and the client applications * cannot deal with data requests that are delayed to the latest * moment possible. (Usually these are programs that use usleep() * or a similar call in their playback loops instead of sleeping * on the device itself.) Also see pa_buffer_attr. This option may * not be specified at the same time as * PA_STREAM_ADJUST_LATENCY. \since 0.9.12 */
} pa_stream_flags_t;
/** \cond fulldocs *//* English is an evil language */#define PA_STREAM_NOT_MONOTONOUS PA_STREAM_NOT_MONOTONIC/* Allow clients to check with #ifdef for those flags */#define PA_STREAM_START_CORKED PA_STREAM_START_CORKED#define PA_STREAM_INTERPOLATE_TIMING PA_STREAM_INTERPOLATE_TIMING#define PA_STREAM_NOT_MONOTONIC PA_STREAM_NOT_MONOTONIC#define PA_STREAM_AUTO_TIMING_UPDATE PA_STREAM_AUTO_TIMING_UPDATE#define PA_STREAM_NO_REMAP_CHANNELS PA_STREAM_NO_REMAP_CHANNELS#define PA_STREAM_NO_REMIX_CHANNELS PA_STREAM_NO_REMIX_CHANNELS#define PA_STREAM_FIX_FORMAT PA_STREAM_FIX_FORMAT#define PA_STREAM_FIX_RATE PA_STREAM_FIX_RATE#define PA_STREAM_FIX_CHANNELS PA_STREAM_FIX_CHANNELS#define PA_STREAM_DONT_MOVE PA_STREAM_DONT_MOVE#define PA_STREAM_VARIABLE_RATE PA_STREAM_VARIABLE_RATE#define PA_STREAM_PEAK_DETECT PA_STREAM_PEAK_DETECT#define PA_STREAM_START_MUTED PA_STREAM_START_MUTED#define PA_STREAM_ADJUST_LATENCY PA_STREAM_ADJUST_LATENCY#define PA_STREAM_EARLY_REQUESTS PA_STREAM_EARLY_REQUESTS/** \endcond *//** Playback and record buffer metrics */00250typedefstruct pa_buffer_attr {
uint32_t maxlength;00252 /**< Maximum length of the buffer. Setting this to (uint32_t) -1 * will initialize this to the maximum value supported by server, * which is recommended. */
uint32_t tlength;00257 /**< Playback only: target length of the buffer. The server tries * to assure that at least tlength bytes are always available in * the per-stream server-side playback buffer. It is recommended * to set this to (uint32_t) -1, which will initialize this to a * value that is deemed sensible by the server. However, this * value will default to something like 2s, i.e. for applications * that have specific latency requirements this value should be * set to the maximum latency that the application can deal * with. When PA_STREAM_ADJUST_LATENCY is not set this value will * influence only the per-stream playback buffer size. When * PA_STREAM_ADJUST_LATENCY is set the overall latency of the sink * plus the playback buffer size is configured to this value. Set * PA_STREAM_ADJUST_LATENCY if you are interested in adjusting the * overall latency. Don't set it if you are interested in * configuring the server-sider per-stream playback buffer * size. */
uint32_t prebuf;00275 /**< Playback only: pre-buffering. The server does not start with * playback before at least prebug bytes are available in the * buffer. It is recommended to set this to (uint32_t) -1, which * will initialize this to the same value as tlength, whatever * that may be. Initialize to 0 to enable manual start/stop * control of the stream. This means that playback will not stop * on underrun and playback will not start automatically. Instead * pa_stream_corked() needs to be called explicitly. If you set * this value to 0 you should also set PA_STREAM_START_CORKED. */
uint32_t minreq;00286 /**< Playback only: minimum request. The server does not request * less than minreq bytes from the client, instead waits until the * buffer is free enough to request more bytes at once. It is * recommended to set this to (uint32_t) -1, which will initialize * this to a value that is deemed sensible by the server. This * should be set to a value that gives PulseAudio enough time to * move the data from the per-stream playback buffer into the * hardware playback buffer. */
uint32_t fragsize;00296 /**< Recording only: fragment size. The server sends data in * blocks of fragsize bytes size. Large values deminish * interactivity with other operations on the connection context * but decrease control overhead. It is recommended to set this to * (uint32_t) -1, which will initialize this to a value that is * deemed sensible by the server. However, this value will default * to something like 2s, i.e. for applications that have specific * latency requirements this value should be set to the maximum * latency that the application can deal with. If * PA_STREAM_ADJUST_LATENCY is set the overall source latency will * be adjusted according to this value. If it is not set the * source latency is left unmodified. */
} pa_buffer_attr;
/** Error values as used by pa_context_errno(). Use pa_strerror() to convert these values to human readable strings */enum {
00313PA_OK = 0, /**< No error */00314PA_ERR_ACCESS, /**< Access failure */00315PA_ERR_COMMAND, /**< Unknown command */00316PA_ERR_INVALID, /**< Invalid argument */00317PA_ERR_EXIST, /**< Entity exists */00318PA_ERR_NOENTITY, /**< No such entity */00319PA_ERR_CONNECTIONREFUSED, /**< Connection refused */00320PA_ERR_PROTOCOL, /**< Protocol error */00321PA_ERR_TIMEOUT, /**< Timeout */00322PA_ERR_AUTHKEY, /**< No authorization key */00323PA_ERR_INTERNAL, /**< Internal error */00324PA_ERR_CONNECTIONTERMINATED, /**< Connection terminated */00325PA_ERR_KILLED, /**< Entity killed */00326PA_ERR_INVALIDSERVER, /**< Invalid server */00327PA_ERR_MODINITFAILED, /**< Module initialization failed */00328PA_ERR_BADSTATE, /**< Bad state */00329PA_ERR_NODATA, /**< No data */00330PA_ERR_VERSION, /**< Incompatible protocol version */00331PA_ERR_TOOLARGE, /**< Data too large */00332PA_ERR_NOTSUPPORTED, /**< Operation not supported \since 0.9.5 */00333PA_ERR_UNKNOWN, /**< The error code was unknown to the client */00334PA_ERR_NOEXTENSION, /**< Extension does not exist. \since 0.9.12 */00335PA_ERR_MAX/**< Not really an error but the first invalid error code */
};
/** Subscription event mask, as used by pa_context_subscribe() */00339typedefenumpa_subscription_mask {
00340PA_SUBSCRIPTION_MASK_NULL = 0x0000U, /**< No events */00343PA_SUBSCRIPTION_MASK_SINK = 0x0001U, /**< Sink events */00346PA_SUBSCRIPTION_MASK_SOURCE = 0x0002U, /**< Source events */00349PA_SUBSCRIPTION_MASK_SINK_INPUT = 0x0004U, /**< Sink input events */00352PA_SUBSCRIPTION_MASK_SOURCE_OUTPUT = 0x0008U, /**< Source output events */00355PA_SUBSCRIPTION_MASK_MODULE = 0x0010U, /**< Module events */00358PA_SUBSCRIPTION_MASK_CLIENT = 0x0020U, /**< Client events */00361PA_SUBSCRIPTION_MASK_SAMPLE_CACHE = 0x0040U, /**< Sample cache events */00364PA_SUBSCRIPTION_MASK_SERVER = 0x0080U, /**< Other global server changes. */00367PA_SUBSCRIPTION_MASK_AUTOLOAD = 0x0100U, /**< Autoload table events. */00370PA_SUBSCRIPTION_MASK_ALL = 0x01ffU /**< Catch all events */
} pa_subscription_mask_t;
/** Subscription event types, as used by pa_context_subscribe() */00375typedefenumpa_subscription_event_type {
00376PA_SUBSCRIPTION_EVENT_SINK = 0x0000U, /**< Event type: Sink */00379PA_SUBSCRIPTION_EVENT_SOURCE = 0x0001U, /**< Event type: Source */00382PA_SUBSCRIPTION_EVENT_SINK_INPUT = 0x0002U, /**< Event type: Sink input */00385PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT = 0x0003U, /**< Event type: Source output */00388PA_SUBSCRIPTION_EVENT_MODULE = 0x0004U, /**< Event type: Module */00391PA_SUBSCRIPTION_EVENT_CLIENT = 0x0005U, /**< Event type: Client */00394PA_SUBSCRIPTION_EVENT_SAMPLE_CACHE = 0x0006U, /**< Event type: Sample cache item */00397PA_SUBSCRIPTION_EVENT_SERVER = 0x0007U, /**< Event type: Global server change, only occuring with PA_SUBSCRIPTION_EVENT_CHANGE. */00400PA_SUBSCRIPTION_EVENT_AUTOLOAD = 0x0008U, /**< Event type: Autoload table changes. */00403PA_SUBSCRIPTION_EVENT_FACILITY_MASK = 0x000FU, /**< A mask to extract the event type from an event value */00406PA_SUBSCRIPTION_EVENT_NEW = 0x0000U, /**< A new object was created */00409PA_SUBSCRIPTION_EVENT_CHANGE = 0x0010U, /**< A property of the object was modified */00412PA_SUBSCRIPTION_EVENT_REMOVE = 0x0020U, /**< An object was removed */00415PA_SUBSCRIPTION_EVENT_TYPE_MASK = 0x0030U, /**< A mask to extract the event operation from an event value */
} pa_subscription_event_type_t;
/** Return one if an event type t matches an event mask bitfield */00421#define pa_subscription_match_flags(m, t) (!!((m) & (1 << ((t) & PA_SUBSCRIPTION_EVENT_FACILITY_MASK))))/** A structure for all kinds of timing information of a stream. See * pa_stream_update_timing_info() and pa_stream_get_timing_info(). The * total output latency a sample that is written with * pa_stream_write() takes to be played may be estimated by * sink_usec+buffer_usec+transport_usec. (where buffer_usec is defined * as pa_bytes_to_usec(write_index-read_index)) The output buffer * which buffer_usec relates to may be manipulated freely (with * pa_stream_write()'s seek argument, pa_stream_flush() and friends), * the buffers sink_usec and source_usec relate to are first-in * first-out (FIFO) buffers which cannot be flushed or manipulated in * any way. The total input latency a sample that is recorded takes to * be delivered to the application is: * source_usec+buffer_usec+transport_usec-sink_usec. (Take care of * sign issues!) When connected to a monitor source sink_usec contains * the latency of the owning sink. The two latency estimations * described here are implemented in pa_stream_get_latency(). Please * note that this structure can be extended as part of evolutionary * API updates at any time in any new release.*/00441typedefstruct pa_timing_info {
00442struct timeval timestamp; /**< The time when this timing info structure was current */intsynchronized_clocks;00446 /**< Non-zero if the local and the remote machine have * synchronized clocks. If synchronized clocks are detected * transport_usec becomes much more reliable. However, the code * that detects synchronized clocks is very limited und unreliable * itself. */pa_usec_tsink_usec;00453 /**< Time in usecs a sample takes to be played on the sink. For * playback streams and record streams connected to a monitor * source. */pa_usec_tsource_usec;00458 /**< Time in usecs a sample takes from being recorded to being * delivered to the application. Only for record streams. */pa_usec_ttransport_usec;00462 /**< Estimated time in usecs a sample takes to be transferred * to/from the daemon. For both playback and record streams. */intplaying;00466 /**< Non-zero when the stream is currently not underrun and data * is being passed on to the device. Only for playback * streams. This field does not say whether the data is actually * already being played. To determine this check whether * since_underrun (converted to usec) is larger than sink_usec.*/intwrite_index_corrupt;00473 /**< Non-zero if write_index is not up-to-date because a local * write command that corrupted it has been issued in the time * since this latency info was current . Only write commands with * SEEK_RELATIVE_ON_READ and SEEK_RELATIVE_END can corrupt * write_index. */
int64_t write_index;00480 /**< Current write index into the playback buffer in bytes. Think * twice before using this for seeking purposes: it might be out * of date a the time you want to use it. Consider using * PA_SEEK_RELATIVE instead. */intread_index_corrupt;00486 /**< Non-zero if read_index is not up-to-date because a local * pause or flush request that corrupted it has been issued in the * time since this latency info was current. */
int64_t read_index;00491 /**< Current read index into the playback buffer in bytes. Think * twice before using this for seeking purposes: it might be out * of date a the time you want to use it. Consider using * PA_SEEK_RELATIVE_ON_READ instead. */pa_usec_tconfigured_sink_usec;00497 /**< The configured latency for the sink. \since 0.9.11 */pa_usec_tconfigured_source_usec;00500 /**< The configured latency for * the source. \since 0.9.11 */
int64_t since_underrun;00503 /**< Bytes that were handed to the sink since the last underrun * happened, or since playback started again after the last * underrun. playing will tell you which case it is. \since * 0.9.11 */
} pa_timing_info;
/** A structure for the spawn api. This may be used to integrate auto * spawned daemons into your application. For more information see * pa_context_connect(). When spawning a new child process the * waitpid() is used on the child's PID. The spawn routine will not * block or ignore SIGCHLD signals, since this cannot be done in a * thread compatible way. You might have to do this in * prefork/postfork. */00517typedefstruct pa_spawn_api {
void (*prefork)(void); /**< Is called just before the fork in the parent process. May be * NULL. */
void (*postfork)(void); /**< Is called immediately after the fork in the parent * process. May be NULL.*/
void (*atfork)(void); /**< Is called immediately after the fork in the child * process. May be NULL. It is not safe to close all file * descriptors in this function unconditionally, since a UNIX * socket (created using socketpair()) is passed to the new * process. */
} pa_spawn_api;
/** Seek type for pa_stream_write(). */00535typedefenumpa_seek_mode {
00536PA_SEEK_RELATIVE = 0, /**< Seek relatively to the write index */00539PA_SEEK_ABSOLUTE = 1, /**< Seek relatively to the start of the buffer queue */00542PA_SEEK_RELATIVE_ON_READ = 2, /**< Seek relatively to the read index. */00545PA_SEEK_RELATIVE_END = 3 /**< Seek relatively to the current end of the buffer queue. */
} pa_seek_mode_t;
/** Special sink flags. */00550typedefenumpa_sink_flags {
00551PA_SINK_HW_VOLUME_CTRL = 0x0001U, /**< Supports hardware volume control */00554PA_SINK_LATENCY = 0x0002U, /**< Supports latency querying */00557PA_SINK_HARDWARE = 0x0004U, /**< Is a hardware sink of some kind, in contrast to * "virtual"/software sinks \since 0.9.3 */00561PA_SINK_NETWORK = 0x0008U, /**< Is a networked sink of some kind. \since 0.9.7 */00564PA_SINK_HW_MUTE_CTRL = 0x0010U, /**< Supports hardware mute control \since 0.9.11 */00567PA_SINK_DECIBEL_VOLUME = 0x0020U /**< Volume can be translated to dB with pa_sw_volume_to_dB() * \since 0.9.11 */
} pa_sink_flags_t;
/** \cond fulldocs */#define PA_SINK_HW_VOLUME_CTRL PA_SINK_HW_VOLUME_CTRL#define PA_SINK_LATENCY PA_SINK_LATENCY#define PA_SINK_HARDWARE PA_SINK_HARDWARE#define PA_SINK_NETWORK PA_SINK_NETWORK#define PA_SINK_HW_VOLUME_CTRL PA_SINK_HW_VOLUME_CTRL#define PA_SINK_DECIBEL_VOLUME PA_SINK_DECIBEL_VOLUME/** \endcond *//** Special source flags. */00582typedefenumpa_source_flags {
00583PA_SOURCE_HW_VOLUME_CTRL = 0x0001U, /**< Supports hardware volume control */00586PA_SOURCE_LATENCY = 0x0002U, /**< Supports latency querying */00589PA_SOURCE_HARDWARE = 0x0004U, /**< Is a hardware source of some kind, in contrast to * "virtual"/software source \since 0.9.3 */00593PA_SOURCE_NETWORK = 0x0008U, /**< Is a networked sink of some kind. \since 0.9.7 */00596PA_SOURCE_HW_MUTE_CTRL = 0x0010U, /**< Supports hardware mute control \since 0.9.11 */00599PA_SOURCE_DECIBEL_VOLUME = 0x0020U /**< Volume can be translated to dB with pa_sw_volume_to_dB() * \since 0.9.11 */
} pa_source_flags_t;
/** \cond fulldocs */#define PA_SOURCE_HW_VOLUME_CTRL PA_SOURCE_HW_VOLUME_CTRL#define PA_SOURCE_LATENCY PA_SOURCE_LATENCY#define PA_SOURCE_HARDWARE PA_SOURCE_HARDWARE#define PA_SOURCE_NETWORK PA_SOURCE_NETWORK#define PA_SOURCE_HW_VOLUME_CTRL PA_SOURCE_HW_VOLUME_CTRL#define PA_SOURCE_DECIBEL_VOLUME PA_SOURCE_DECIBEL_VOLUME/** \endcond *//** A generic free() like callback prototype */00614typedef void (*pa_free_cb_t)(void *p);
PA_C_DECL_END#endif